//背景轮播图
function restartback1(){
	document.getElementById("zong").style.backgroundImage = "url(./srcimage/1.jpg)";
}
function restartback2(){
	document.getElementById("zong").style.backgroundImage = "url(./srcimage/2.jpg)";
}
restartback2();
setInterval("restartback1()",3000);
setInterval("restartback2()",6000);
//改变登录的卡片的图片
function backimge1(){
	var backurl = document.getElementById("backimge").style.backgroundImage;
	if(backurl == 'url("./srcimage/2.jpg")'){
		var touch = document.getElementById("backimge");
		touch.style.backgroundImage = "url(./srcimage/1.jpg)";
	}
	else{
		var touch = document.getElementById("backimge");
		touch.style.backgroundImage = "url(./srcimage/2.jpg)";
	}	
}
